Perhaps you should try some spelling variations:
historian » historians, historia, historical
historien » historikern, historians, historiker, historicn, historian
historie » historic, historia
histories » historics, historias
historics » historicos, historicas, historic
historicis » historicism, historicist, historicos

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((historian OR historien) OR historie) OR (histories OR historics) ) OR (historics OR historicis) )*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((historian or historien) or historie) or (histories OR historics) ) or (historics or historicis) )*".